California is the largest healthcare market in the country, with more than one in three residents covered by Medi-Cal and a commercial market dominated by HMOs, IPAs and delegated medical groups. That structure makes billing harder here than almost anywhere else.
Medical Coder provides outsourced medical billing services in California for independent practices, clinics and groups. We handle the full revenue cycle — eligibility, coding, claims, denials and A/R — with California payer rules built into every step.
California Payers We Bill Every Day
- Medicaid: Medi-Cal, administered by the Department of Health Care Services (DHCS), and its county-based managed care plans such as L.A. Care, Health Net, CalOptima Health and Inland Empire Health Plan.
- Medicare: Part A and Part B claims through Noridian Healthcare Solutions (Jurisdiction E), plus Medicare Advantage plans.
- Commercial plans: Blue Shield of California, Anthem Blue Cross, Health Net, UnitedHealthcare, Aetna and Cigna, plus Kaiser Permanente referrals and out-of-network claims.
- TRICARE and VA Community Care for military families and veterans.
What Makes Medical Billing in California Different
California runs on a delegated model: many HMO patients belong to an IPA or medical group that pays claims under capitation, not the health plan itself. Sending a claim to the plan instead of the responsible IPA is one of the most common reasons California claims stall — we map every patient to the right payer before the claim goes out.
Our Medical Billing Services for California Practices
- Eligibility and benefits verification before every visit
- Certified ICD-10, CPT and HCPCS coding with modifier review
- Charge entry and claim scrubbing before submission
- Electronic claim submission and payment posting
- Denial management and appeals
- A/R follow-up on every unpaid claim, including aged A/R
- Patient statements and balance support
- Provider credentialing and payer enrollment
- Monthly reporting on collections, denials and days in A/R
Medical Billing Across California's Major Cities
We work with practices statewide, with dedicated support for Los Angeles, San Diego, San Jose, San Francisco, Fresno, Sacramento, Long Beach, Oakland, Bakersfield, Anaheim. Choose your city below for local details.
Why California Practices Choose Medical Coder
- California payer expertise — Medicaid managed care, Noridian Healthcare Solutions Medicare rules and the state's major commercial plans.
- Certified coders across 45+ specialties — see all specialties.
- Structured denial management with root-cause fixes.
- Transparent pricing — see how medical billing pricing works.
Get a Free Billing Audit for Your California Practice
We will review your claims, denials and A/R at no cost and show you exactly where revenue is being lost. Start with a free medical billing audit or see medical billing for small practices.